Diagnostic table
- Make
- Fiat
- Model
- Seicento Factory Service Manual
- Year
- 1998–2010
- Section
- Alarms › Diagnostic table
DiagnosisDiagnostic table
Diagnostic table
A20 Alarm siren does not work
Symptom / conditions
When the alarm is operated the siren does not sound.
NOTE: acoustic signals may or may not be activated, according to the legislation in force in the specific countries (see DESCRIPTION AND OPERATION: 5580E)
| Step | Validity | Operation to be performed | Test results | ||
|---|---|---|---|---|---|
| OK | ⚠ | 🔧 | |||
| 1 | CHECK WITH DIAGNOSTIC TOOL Connect the diagnostic tool (Examiner or other tool) to the diagnostic socket. Check in sequence: - no errors in the alarm ECU - all parameters are plausible |
All OK Go to Step 2 |
Problems found No dialogue between the diagnostic tool and the ECU or receiver. |
Intervention Restore connection between ECU and diagnostic socket(Wiring diagram E7015 "ALARM") |
|
| Error detected in ECU or receiver | Continue as shown by the diagnostic tool. | ||||
| 2 | ACTIVE TESTS WITH THE DIAGNOSTIC TOOL Perform the siren operation active test with the diagnostic tool (Examiner or other tool). |
All OK Go to Step 3 |
Problems found The siren does not work |
Intervention Replace the alarm ECU OP. PROCEDURE 5580E46 |
|
| 3 | CHECKING CORRECT OPERATION Check the fault has been repaired. |
All OK End of test |
Problems found - |
Intervention - |
|
Parts & tools for this job For 1998 Fiat Seicento
- TOOLOBD2 scannerSearch: OBD2 scanner
- TOOLDigital multimeterSearch: automotive digital multimeter
- TOOLBack-probe test leadsSearch: back probe test leads
Links open Amazon search results in a new tab. As an Amazon Associate I earn from qualifying purchases.